Home / 163,541.80-245,312.70-107,554.60

Finding the Fourth Proportional to 163,541.80, 245,312.70 and 107,554.60

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Solution

The fourth proportional to 163,541.80, 245,312.70 and 107,554.60 is: 161,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,541.80 : 245,312.70 = 107,554.60 : x
  2. Step 2: Convert to fraction form
    163,541.80/245,312.70 = 107,554.60/x
  3. Step 3: Cross multiply
    163,541.80x = 245,312.70 × 107,554.60
  4. Step 4: Simplify right side
    163,541.80x = 26,384,509,323.42
  5. Step 5: Solve for x
    x = 26,384,509,323.42/163,541.80
  6. Step 6: Final answer
    x = 161,331.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.